All Items in Abyss

Every shop gun ranked by progression stage — from Starter Gun to endgame, with sources and cost notes.

Tube upgrade priorities and which ones are worth buying early versus late, with stage-by-stage guidance.

How fish rarity, zones, and gear affect catch value — route-based advice instead of a static price list.

Permanent passive buffs obtained from geodes. Organized by rarity tier and geode type.